What Click Through Rate Curve Do You Use?

We use a click through rate (CTR) curve to calculate our estimated traffic and estimated opportunity metrics. We have created a model based on various data inputs that we use for our calculation:

Ranking PostionClick Through Rate
130%
222%
314%
410%
58%
66%
74%
83%
92%
102%
111%
121%
131%
141%
151%
161%
171%
181%
191%
201%